Elly has one of those magic six-shooters that holds ten bullets.
When Partain enters the cabin for the first time, bringing back groceries from the store, when the view switches to from inside the cabin, suddenly a wall with vegetation on it appears to the left of the doorway - which was not there on the exterior shot. This is a frequent goof when a scene moves from location or a back lot into a sound stage at the studio.
When the "Piggy Bank" was taken from the mantel and dropped on the floor the coins and paper money that came out were not genuine money.
At about the 0:08:05 mark the boom mic shadow can be seen on the awning above the actors.
When the motorcycle cop walks up to the front of the store, a moving shadow of the boom microphone is visible on the striped awning above him.